4820-01-339-8497

Find complete technical information, availability, and procurement data for: 4820-01-339-8497
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-339-8497

Item Name Code

20962

Assigment Date

06/02/1991 (35 years ago)

A multi-ported, nonlubricated valve designed to provide straight through flow or ability to direct a number of flows or pressure through a single valve. The flow is controlled by the rotation of a ported ball within a suitable ported seat(s). The ball is usually engaged by a stem. It is normally operated in an open or closed position. Excludes:valve, check.

0.250 inches all ends nominal pipe size accommodated, 450.0 fahrenheit single response maximum operating temp, inside screw bonnet type, bolted bonnet attachment method, socket with brazing ring all ends connection style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Nominal Pipe Size Accommodated: 0.250 inches all ends
Bonnet Type: inside screw
Bonnet Attachment Method: bolted
Maximum Operating Temp: 450.0 fahrenheit single response
Connection Style: socket with brazing ring all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Maximum Operating Pressure: 300.0 pounds per square inch single response
Material: bronze bodysteel comp 316 flow control deviceplastic polytetrafluoroethylene seatsteel comp 316 stem
Style Designator: straight thru

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
SPB-10-SB(1)2	Ball Valve
SPB-12-1/4-SB(1)2	Ball Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-01-339-8497?

The FSCG of the NSN 4820-01-339-8497 is 4820

Does the NSN 4820-01-339-8497 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-01-339-8497 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4820-01-339-8497 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-339-8497 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4820-01-339-8497 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sun, Jun 2, 1991